Home / 1,043,632.77-1,563,651.81-815,839.76

Finding the Fourth Proportional to 1,043,632.77, 1,563,651.81 and 815,839.76

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Solution

The fourth proportional to 1,043,632.77, 1,563,651.81 and 815,839.76 is: 1,222,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,632.77 : 1,563,651.81 = 815,839.76 : x
  2. Step 2: Convert to fraction form
    1,043,632.77/1,563,651.81 = 815,839.76/x
  3. Step 3: Cross multiply
    1,043,632.77x = 1,563,651.81 × 815,839.76
  4. Step 4: Simplify right side
    1,043,632.77x = 1,275,689,309,575.71
  5. Step 5: Solve for x
    x = 1,275,689,309,575.71/1,043,632.77
  6. Step 6: Final answer
    x = 1,222,354.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.